diff options
| -rw-r--r-- | arch/parisc/Kconfig | 11 | ||||
| -rw-r--r-- | arch/parisc/mm/ioremap.c | 16 | ||||
| -rw-r--r-- | include/asm-parisc/io.h | 58 |
3 files changed, 3 insertions, 82 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index fc5755d1db57..6b3c50964ca9 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -138,17 +138,6 @@ config 64BIT enable this option otherwise. The 64bit kernel is significantly bigger and slower than the 32bit one. -config HPPA_IOREMAP - bool "Enable IOREMAP functionality (EXPERIMENTAL)" - depends on EXPERIMENTAL - default n - help - Enable this option if you want to enable real IOREMAPPING on PA-RISC. - Currently we just "simulate" I/O remapping, and enabling this option - will just crash your machine. - - Say N here, unless you are a real PA-RISC Linux kernel hacker. - config SMP bool "Symmetric multi-processing support" ---help--- diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c index 028772144191..5a22e1cab217 100644 --- a/arch/parisc/mm/ioremap.c +++ b/arch/parisc/mm/ioremap.c @@ -72,7 +72,6 @@ remap_area_pmd(pmd_t *pmd, unsigned long address, unsigned long size, return 0; } -#ifdef CONFIG_HPPA_IOREMAP static int remap_area_pages(unsigned long address, unsigned long phys_addr, unsigned long size, unsigned long flags) @@ -114,7 +113,6 @@ remap_area_pages(unsigned long address, unsigned long phys_addr, return error; } -#endif /* CONFIG_HPPA_IOREMAP */ #ifdef CONFIG_DEBUG_IOREMAP static unsigned long last = 0; @@ -154,21 +152,16 @@ EXPORT_SYMBOL(__raw_bad_addr); */ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) { -#if !defined(CONFIG_HPPA_IOREMAP) +#ifdef CONFIG_EISA + #error FIXME. unsigned long end = phys_addr + size - 1; /* Support EISA addresses */ if ((phys_addr >= 0x00080000 && end < 0x000fffff) || (phys_addr >= 0x00500000 && end < 0x03bfffff)) { phys_addr |= 0xfc000000; } - -#ifdef CONFIG_DEBUG_IOREMAP - return (void __iomem *)(phys_addr - (0x1UL << NYBBLE_SHIFT)); -#else - return (void __iomem *)phys_addr; #endif -#else void *addr; struct vm_struct *area; unsigned long offset, last_addr; @@ -216,15 +209,10 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l } return (void __iomem *) (offset + (char *)addr); -#endif } void iounmap(void __iomem *addr) { -#ifdef CONFIG_HPPA_IOREMAP if (addr > high_memory) return vfree((void *) (PAGE_MASK & (unsigned long __force) addr)); -#else - return; -#endif } diff --git a/include/asm-parisc/io.h b/include/asm-parisc/io.h index 2fb253255102..bcfe0b09c93f 100644 --- a/include/asm-parisc/io.h +++ b/include/asm-parisc/io.h @@ -176,12 +176,7 @@ extern inline void * ioremap_nocache(unsigned long offset, unsigned long size) extern void iounmap(void __iomem *addr); -/* - * CONFIG_HPPA_IOREMAP is the magic flag to enable or disable real ioremap() - * functionality. It's currently disabled because it may not work on some - * machines. - */ -#ifdef CONFIG_HPPA_IOREMAP + static inline unsigned char __raw_readb(const volatile void __iomem *addr) { return (*(volatile unsigned char __force *) (addr)); @@ -215,57 +210,6 @@ static inline void __raw_writeq(unsigned long long b, volatile void __iomem *add { *(volatile unsigned long long __force *) addr = b; } -#else /* !CONFIG_HPPA_IOREMAP */ -static inline unsigned char __raw_readb(const volatile void __iomem *addr) -{ - __raw_check_addr(addr); - - return gsc_readb((unsigned long) addr); -} -static inline unsigned short __raw_readw(const volatile void __iomem *addr) -{ - __raw_check_addr(addr); - - return gsc_readw((unsigned long) addr); -} -static inline unsigned int __raw_readl(const volatile void __iomem *addr) -{ - __raw_check_addr(addr); - - return gsc_readl((unsigned long) addr); -} -static inline unsigned long long __raw_readq(const volatile void __iomem *addr) -{ - __raw_check_addr(addr); - - return gsc_readq((unsigned long) addr); -} - -static inline void __raw_writeb(unsigned char b, volatile void __iomem *addr) -{ - __raw_check_addr(addr); - - gsc_writeb(b, (unsigned long) addr); -} -static inline void __raw_writew(unsigned short b, volatile void __iomem *addr) -{ - __raw_check_addr(addr); - - gsc_writew(b, (unsigned long) addr); -} -static inline void __raw_writel(unsigned int b, volatile void __iomem *addr) -{ - __raw_check_addr(addr); - - gsc_writel(b, (unsigned long) addr); -} -static inline void __raw_writeq(unsigned long long b, volatile void __iomem *addr) -{ - __raw_check_addr(addr); - - gsc_writeq(b, (unsigned long) addr); -} -#endif /* !CONFIG_HPPA_IOREMAP */ /* readb can never be const, so use __fswab instead of le*_to_cpu */ #define readb(addr) __raw_readb(addr) |